From 86432275f6185436b437c6320ba41cac4ed46f95 Mon Sep 17 00:00:00 2001
From: Daniel Naber <dnaber@apache.org>
Date: Fri, 20 Jul 2007 21:38:55 +0000
Subject: [PATCH] protect object against NPE in finally block, as an NPE here
 would hide the original exception

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@558160 13f79535-47bb-0310-9956-ffa450edef68
---
 src/java/org/apache/lucene/index/IndexWriter.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/java/org/apache/lucene/index/IndexWriter.java b/src/java/org/apache/lucene/index/IndexWriter.java
index 0901de9748c..02826ada590 100644
--- a/src/java/org/apache/lucene/index/IndexWriter.java
+++ b/src/java/org/apache/lucene/index/IndexWriter.java
@@ -2273,7 +2273,9 @@ public class IndexWriter {
       }
     } finally {
       // close readers before we attempt to delete now-obsolete segments
-      merger.closeReaders();
+      if (merger != null) {
+        merger.closeReaders();
+      }
     }
 
     // Give deleter a chance to remove files now.